1-20 OF 33 RESULTS FOR

Prisayan Formation

Results shown limited to content with bounding coordinates.
Follow your search
Access your saved searches in your account

Would you like to receive an alert when new items match your search?
Close Modal
Sort by
Journal Article
Published: 01 October 2022
Russ. Geol. Geophys. (2022) 63 (10): 1133–1161.
...A.O. Frolov; S.V. Ivantsov; I.V. Afonin; I.M. Mashchuk; K.P. Lyalyuk Abstract —The demand for detailed bio- and lithostratigraphic research of the Prisayan Formation is significant because of the lack of its stratotype section. This leads to confusion about the meaning of the stratigraphic volume...
FIGURES | View All (13)
Image
Sections of the <span class="search-highlight">Prisayan</span> <span class="search-highlight">Formation</span> lectostratotype on the right bank of the...
Published: 01 October 2022
Fig. 4. Sections of the Prisayan Formation lectostratotype on the right bank of the Angara River. a, b – Outcrop of the lower subformation of the Prisayan Formation near the Ust-Balei village: a – lower silty lens; b – upper silty lens; c – outcrop at Cape Idan. The dashed line shows
Image
Sections of the <span class="search-highlight">Prisayan</span> <span class="search-highlight">Formation</span> lectostratotype.  a  – Outcrop on the ri...
Published: 01 October 2022
Fig. 5. Sections of the Prisayan Formation lectostratotype. a – Outcrop on the right bank of the Angara River at the mouth of the Topka River. The dotted line shows the lithological boundary between the middle Prisayan and upper Prisayan subformations; b – outcrop on the left bank
Image
Correlation of the <span class="search-highlight">Prisayan</span> <span class="search-highlight">Formation</span> with coeval deposits of West Siberia ...
Published: 01 October 2022
Table 4. Correlation of the Prisayan Formation with coeval deposits of West Siberia based on palynological and paleobotanical data Note. Gray shading shows the paleontologically uncharacterized intervals of the Prisayan Formation.
Image
Correlation of natural outcrops of the <span class="search-highlight">Prisayan</span> <span class="search-highlight">Formation</span> with its lectostr...
Published: 01 October 2022
Fig. 2. Correlation of natural outcrops of the Prisayan Formation with its lectostratotype. The numbering of the section is shown in Fig. 1 . 1–8 — lithology: 1 – conglomerates, 2 – sandstones with interbeds of pebbles, 3 – sandstones, 4 – siltstones, 5 – mudstones, 6 – coals, 7
Image
Lithofacies and paleobotanical characteristics of the <span class="search-highlight">Prisayan</span> <span class="search-highlight">Formation</span> le...
Published: 01 October 2022
Fig. 3. Lithofacies and paleobotanical characteristics of the Prisayan Formation lectostratotype. 1–4 – abundance of plant remains in burials: 1 – small amount (<10%), 2 – medium amount (10– 30%), 3 – codomination (40–60%), 4 – domination (70–90% – Leaf roofs). L – Lycopodiopsida, E
Image
Palynological characteristics of the <span class="search-highlight">Prisayan</span> <span class="search-highlight">Formation</span> lectostratotype.  1...
Published: 01 October 2022
Fig. 6. Palynological characteristics of the Prisayan Formation lectostratotype. 1 – single occurrences (less than 2%), 2 – small amount (2–5%), 3 – medium amount (5–10%), 4 – large amount (10–20%), 5 – abundance (more than 20%).
Image
Sukhovskaya Subformation, <span class="search-highlight">Prisayan</span> <span class="search-highlight">Formation</span>: Location map ( a ) and photog...
Published: 01 June 2018
Fig. 2. Sukhovskaya Subformation, Prisayan Formation: Location map ( a ) and photographs of outcrops ( b – e ). 1, Sinyushina Hill section, Irkutsk city ( b ); 2, Smolenshchina section, vicinity of Smolenshchina Village ( c ); 3, Topka section, Topka River mouth ( d ); 4, Mel’nichnaya section
Image
Sukhovskaya Subformation, <span class="search-highlight">Prisayan</span> <span class="search-highlight">Formation</span>.  a , Sinyushina Hill section,...
Published: 01 June 2018
Fig. 3. Sukhovskaya Subformation, Prisayan Formation. a , Sinyushina Hill section, Irkutsk city; b , Smolenshchina section, vicinity of Smolenshchina Village; c , Topka section, Topka River mouth; d , Mel’nichnaya section, north of Mel’nichnaya Pad’ Village. 1 , gravelstone; 2 , coarse
Journal Article
Published: 01 June 2018
Russ. Geol. Geophys. (2018) 59 (6): 620–634.
...Fig. 2. Sukhovskaya Subformation, Prisayan Formation: Location map ( a ) and photographs of outcrops ( b – e ). 1, Sinyushina Hill section, Irkutsk city ( b ); 2, Smolenshchina section, vicinity of Smolenshchina Village ( c ); 3, Topka section, Topka River mouth ( d ); 4, Mel’nichnaya section...
FIGURES | View All (8)
Image
Sketch map of the location of the studied Jurassic deposit sections in the ...
Published: 01 October 2022
– of the Prisayan trough; 3 – of the Angara-Koty intermountain depression; 4 – studied sections; 5 – sections of the Prisayan Formation lectostratotype; 6 – reference section of the Prisayan Formation. Number denotations: 1 – section of the Golovinskoe coal deposit; 2 – borehole C-2 near the Ust-Balei village; 3
Image
Comparison of stratigraphic schemes of the Jurassic deposits of the Irkutsk...
Published: 01 October 2022
Table 1. Comparison of stratigraphic schemes of the Jurassic deposits of the Irkutsk Сoal Basin according to the data obtained at different times Note. Gray shading shows views on the subdivision and stratigraphic position of the Prisayan Formation.
Image
Classification diagrams for sandstones taken near the lithological boundary...
Published: 01 October 2022
Fig. 12. Classification diagrams for sandstones taken near the lithological boundary of the lower (sample 1) and middle (sample 2) subformations of the Prisayan Formation: a – from ( Pettijohn et al., 1972 ), b – from ( Herron, 1988 ).
Image
Comparison of the mineral composition of the samples taken near the litholo...
Published: 01 October 2022
Fig. 11. Comparison of the mineral composition of the samples taken near the lithological boundary of the lower (sample 1) and middle (sample 2) subformations of the Prisayan Formation. PF – potassium feldspars, SPF – sodium feldspars, MBC – mixed-bed compositions of the illite-montmorillonite
Image
Plant prints in the <span class="search-highlight">Prisayan</span> (Irkut basin) and Tugnuyskaya (Tugnuy basin) F...
Published: 01 June 2018
Fig. 6. Plant prints in the Prisayan (Irkut basin) and Tugnuyskaya (Tugnuy basin) Formations. Plates 1, 3, 5 are Cladophlebis suluctensis Brick, from the Mel’nichnaya section: print of bipinnate frond, sample St-2009/1-3 (1); print of fern leaf with well marked pinnules, sample St-2009/1-3 (3
Image
Diagrams for diagnosing the composition of a denudation source based on sam...
Published: 01 October 2022
Fig. 13. Diagrams for diagnosing the composition of a denudation source based on samples taken near the lithological boundary of the lower (sample 1) and middle (sample 2) subformations of the Prisayan Formation: a – diagram in the CIA–ICV coordinates ( Mikheeva et al., 2017 ); b – ternary
Image
Leaf epidermal structure of the  Phoenicopsis  genus, Sinyushina Hill secti...
Published: 01 June 2018
Fig. 7. Leaf epidermal structure of the Phoenicopsis genus, Sinyushina Hill section, Prisayan Formation. Plates 1, 2 are Ph. angustifolia Heer, sample Sg-2009/7-3-1: upper (1) and lower (2) epidermis; Plates 3, 4 are Ph. samylinae Kiritchkova et Moskvin, sample Sg-2009/7-1-1: upper (3
Journal Article
Published: 01 January 2017
Bulletin de la Société Géologique de France (2017) 188 (1-2): 1–29.
... samples from the Prisayan, Kuda and Koty Formations of the Irkutsk Basin. The formation of Jurassic sedimentary basins within the southern part of the Siberian continent was controlled by tectonic reactivation of the region, which most likely is associated with the evolution and closure...
Journal Article
Published: 01 May 2010
Russ. Geol. Geophys. (2010) 51 (5): 548–562.
... tectonic-magmatic events in the South Yenisei Ridge agree well with coeval events of continental rifting—the formation of intrusive and volcanogenic rocks of the Agul graben in the Prisayan region and the Minusa basin in the Altai–Sayan folded area. The forming of alkaline trachytes and alkaline syenites...
FIGURES | View All (10)
Journal Article
Published: 01 February 2009
Russ. Geol. Geophys. (2009) 50 (2): 96–103.
...Yu.F. Filippov; V.V. Lapkovskii; B.V. Lunev Abstract Density sections of the Upper Proterozoic-Paleozoic cis-Yenisei sedimentary basin were numerically modeled to show that the gravity mechanism was sufficient to bring about linear deformation structures. The main conditions of their formation...
FIGURES | View All (7)